Coil mounting



Fein. 14, 1928. ,659,052

R. VARLEY COIL MOUNTING Filed Nav. l5. 1926 Patented -F eb. 14, 1928.

UNITED STATES 1,659,062 PATENT OFFICE.

RICHARD VARLEY, OF ENGLEWOOD, NEW JERSEY, ASSIGNOR TO 'VARLEY DUILEX MAGNET COMPANY, A CORPORATION OF NEW J ERSEY.

COIL MOUNTING.

Application filed November This invention relates to coil mountings and is well adapted to the mounting of small coils such as are used in the smaller type oi' transformers; Transformers are usuall built up by winding each of the coils directly upon each iron or magnetic circuit. .IVith this practice it is necessary to wind each coil separately upon the core and it becomes rigidly secured thereto and to all practical purposes integral with the magnetic circuit.

It is the purpose ot' this invention to provide a means and method whereby a machine-wound coil as a unit may be. wound upon an auxiliary core suoli as a tube and later be assembled by applying end pieces or cheeksy to the tube and subsequently inserting the iron. In this manner a trans- -l'ormer or other apparatus may be. constructed using a machine-wound coil and a mounting which obviously results in a more compact and carefully constructed article than could otherwise be made.

'lo achieve this purpose a novel means` 0i' mounting the coil is provided comprising a tube with removable and interlocking cheeks which may be removably locked to the tube.

It has been found convenient to accomplish this by providing a tube having openings therein into which an end plate may be inserted to prevent its moving upon said tube and to provide means to lock the plate in its secured position.

A more detailed description will be given iu connection with the drawings, in which:

Fig. l is an end elevation ot' a coil mounting and coil mounted thereon in accordance with this invention; l

Fig. 2 is a longitudinal section taken on line 2-2 of Fig.`1;

Fig. 3 is an .elevation of one of a pair of end plates;

Fig. 4 is an elevation ofthe other of a pair of end plates, and i Fig. 5 is an elevation of the tube used in accordance-with this invention.

In the embodiment shown herein-by way of example, the coil mounting comprises a tube l and thin disk-like end plates or cheeks 2 and 8, one of each of'which fits uponeaeh end of the tube, the plates having openings or apertures the size of the tube cut therein for this purpose. In order toattach the end plates securely to the tube and prevent them from moving lengthwise thereof, the tube 1 'has 'slots 4 and 5v of a width equal to the 15 1926. SeriatNc. 148,439.

thickness of plates 2'and 3cut into opposite o sides adjacent each end of the tube, the slot e being further in from the end than the y slot 5 by exactly the thickness of `plates 2 and 3.

The end plates 2 and 3 are formed of relatively thin material, preferably some insulating material such as tber, are similar in their external dimensions and have apertures cut intermediate their edges to permit the plates being slid over the tube 1. The apertures are cut oit center in one direction by a distance equal to the thickness of the wall of the tube, that is the aperture is eccentric with respect to the periphery of the plates. Furthermore, the eccentricity of the apertures in the two plates is reversed with respect to a relatively similar edge ot each plate.

In mounting the end plates upon the tube, plate 2 is placed over an end 0I the tube and moved so that its inner edge 6 most distant from its outer edge engages in opening 4, then plate 3 is placed over the end of the tube and brought into engagement with 'opening 5 with its inner edge 6 engaged therein. Thus with the two plates engaged within the openings on alternate sides of the tube they may be secured together byany suitable means to preventrelative movement therebetween and the plates will not only be locked to the tube but interlocked themselves.

It has been found desirable to use a tubular rivet 7 having a tab 8 extending therefrom to secure the two plates together, tab S'acting as afterminal for an end ot the winding. It has also been found convenient to out recesses 9 'in the inner edge and 6a engaged within the openings in the core so that when the plates are in position access may be had into the center toenable lead wires to be brought out if so desired. Additional holes 10 are cut in the plates to allow the outer ends of the coil to be brought through and attached tothe tabs 8.

In assembling the mounting and coil, two

plates are first placed upon a tube so as to ing is assembled. Also if it is desirable to have :the side arms of a magnetic circuit lying close to the ends of the coil, one of thc projecting Walls Vof the tube at each end may be cut away to allow the iron circuit to lie in close proximity to the end of the coil. It is advisable for this purpose to cnt away the Walls on'the sides having no slots therein as the structure is not then weakened.

i Fromthe foregoing it is apparent that by following the method described and using 'the mounting shown a pre-Wound machinemarde coil maybe assembled upon amountin@ and adapted for many uses.

t is obvious that many changes may be made without departing from the spirit` and scope of this invention, as definedv in the claims appended hereto. I claim:

l. A coil mounting, including a tube hav-' ing openings on opposite sides of each end thereof, a. pair of disks having apertures therein to'perniit passage of the tube therethrough formino'` cheeks at-each end of the tube, said dskskbeing adapted to engagein said openings, and Ameans for securing said disks together when so engaged, said securing means comprising vterminals for electrical connections.

'2. A coil mounting, comprising the com-` .bination of a tube with a pair ofdisks for each -end of the tube, said disks having said tube,-arid'means for-.securing each pairapertures vtherein eccentri'c'ally disposed in relation to their peripheries, 'and said tube having slots on alternate sides adjacent each end thereof 'adapted to coopera-te with/said disks to lock them to said tube, and means for securing eachl pair o f disks together.

3. A coil mounting, comprising the combination vof a rectangular tube with a pair of disks for each end of the tube, said disks ,having rectangular apertures therein veccentrically disposed in relation to their peripheries, and'lsaidtube havinl slots on'alternate sides adjaeent'each end t ereof adapted to cooperate with said disks to -lock themgto of disks together.

4. A collA mounting, comprising the combinatioii of a core with a pair of disks for each end of the core, said disks having aperturesV therein eccentrically disposed in relation totheir peripheries, and said core having slots onialternate sides adjacent each end thereof adapted to cooperate with said disks to lock them to said core, the slots at each end being .unequally distant from the end, and means for, securing each pair of disks together. l

5. A coil mounting, comprising the coinbination of a tube with a pair of disks for.

each end of the tube, said disks having-apertures therein eccentrically disposed-in relationto their peripheries, said apertures having al portion thereof larger in one dimension rthan the tube, and said tube having slots on alternate sides adjacent each .end thereof adapted to cooperate with said disks to lock them to said core, the slots at each end being unequally distant from the end, and means for securing each pair of disks together.

6. A coil mounting, including a tube, a

pair of disks having apertures therein to permit free passage of the tube therethrouglngopen' gs in the sides of the tube at each end thereof and unequally disposed from the ends adapted to permit entry of a portion of each disk upon transverse movement of said disks, and means for. securing i said disks together When'engaged in said openings.

.7. A coil mounting, including a tube, having openings on opposite sides of each end thereof, 'a pair of disks having' apertures therein to permit free passage of the tube therethrough adaptedrto form cheeks at each end of the tube, said disks being adapted to engage in said openings when moved transversely to said tube. and means for securing said disks togetherwhen soengaged.

8. A coil mounting, including a tube anc'-` end pieces therefor, said 'end pieces having apertures therein. lthrough which the tube maybe freely passed, openings in the side Walls of said tube to permit entry of said end pieces to. preventsrelative axial movement therebetween, and means for securing ings. J

In witnessvvhereof, I hereunto subscribe said end pieces when engaged in said open 

